FRV Scotia 3/81
Cruise summary report
|Ship name (ship code)||FRV Scotia (749S)|
|Cruise period||1981-03-25 — 1981-04-13|
|Port of departure||Aberdeen, United Kingdom|
|Port of return||Aberdeen, United Kingdom|
|Objectives||1. To carry out an acoustic survey to the west of Britain to establish the abundance and distribution of the blue whiting spawning stock, as part of an ICES coordinated programme.
2. To identify echotraces and collect biological samples by way of directed midwater trawling. Not achieved.
3. To measure single fish echoes with the purpose of assessing target strength in situ.
4. To investigate the possible application of underwater photography to blue whiting identification and density determination; to record fish orientation by underwater flash to provide evidence for non-reaction in the dark. Only partially achieved.
5. To commission the new shipboard computer.
6. To prepare a documentary film to illustrate blue whiting trawling and sampling. Only partially achieved.
|Chief scientist||Kevin Warburton (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)|
|Cruise report||(0.18 MB)|
North East Atlantic Ocean (limit 40W)
|Specific||Porcupine Bank, continental slope northwest of Scotland, Rockall Bank, Rosemary Bank, Orkney|
|Biology and fisheries|
|Eggs and larvae||Description: biomass determination|
|Acoustic reflection on marine organisms.||Description: Attempts to identify blue whiting.|